def __init__(self, *args, **kwargs):
HasProperties.__init__(self, *args, **kwargs)
HasSignals.__init__(self)
self.sig_register("closed")
self.sig_register("changed")
def __init__(self, **kwargs):
HasProperties.__init__(self, **kwargs)
HasSignals.__init__(self)
self.sig_register('notify')
self.sig_register('notify::labels')